I have the LG 8700 with the D3 and bt 200. I installed everything myself about a eight months ago and everything was working fine for about three months, then I had the same problem..... it would just disconnect. I removed the phone settings form the D3 and then tried to reinstall and now I cant even get it to pair up!! I've tried to have my computer w/bluetooth adapter find the phone but it cant find or see it. This has been driving me crazy for about four months now.